Home / 2,809,561.14-4,213,866.77-787,339.98

Finding the Fourth Proportional to 2,809,561.14, 4,213,866.77 and 787,339.98

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Solution

The fourth proportional to 2,809,561.14, 4,213,866.77 and 787,339.98 is: 1,180,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,561.14 : 4,213,866.77 = 787,339.98 : x
  2. Step 2: Convert to fraction form
    2,809,561.14/4,213,866.77 = 787,339.98/x
  3. Step 3: Cross multiply
    2,809,561.14x = 4,213,866.77 × 787,339.98
  4. Step 4: Simplify right side
    2,809,561.14x = 3,317,745,759,313.48
  5. Step 5: Solve for x
    x = 3,317,745,759,313.48/2,809,561.14
  6. Step 6: Final answer
    x = 1,180,876.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.